Kral, T. (1993). American panorama: English through content :American history. D.C.: U.S. Information Agency.
Chicago Style CitationKral, Thomas. American Panorama: English Through Content :American History. D.C.: U.S. Information Agency, 1993.
Cita MLAKral, Thomas. American Panorama: English Through Content :American History. D.C.: U.S. Information Agency, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.